  
<div class="container">
  
    <div class="row row-thumbnails">
      <div class="col-xs-6 col-md-3"></div>
      
      <div class="col-xs-6 col-md-3">
      <label for="thumbn1" style="text-align: center"><h3><strong>Unos dokumenata</strong><h3></label>
        <a id ="thumbn1" href="<?php echo base_url('/site/upload')?>" class="thumbnail">
          <img src="./assets/img/icon-doc-3.png" alt="Generic placeholder thumbnail">
        </a>
      </div>
      <div class="col-xs-6 col-md-3">
      	<label for="thumbn2" style="text-align: center"><h3><strong>Pretraga dokumenata</strong><h3></label>
        <a id ="thumbn2" for="thumbn2" href="<?php echo base_url('/site/files')?>" class="thumbnail">
          <img src="./assets/img/green-search-icon.png" alt="Generic placeholder thumbnail">
        </a>
      </div>
      <div class="col-xs-6 col-md-3"></div>
    </div>
 
</div>
</body>
</html>